Scientists provide a process-level understanding of how mesoscale convective systems modify the evolution of the large-scale Rossby wave packet downstream and the jet stream.
Editors’ Highlights
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What Surprises do the Icy Uranian Moons Hold?
With efforts ramping up to send a spacecraft back to the Uranian system, anticipation is increasing as to what geological surprises are hiding inside and on the surfaces of the icy Uranian moons.
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Dust on Mars? The Answer, My Friend, is Blowin’ in the Wind
The first flights of a helicopter on another planet are used to study dust lifting and mobilization in Jezero Crater, Mars.
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Source of Precipitation Moisture Feeding Himalayan Rivers
Isotope study showing the partitioning of moisture into snow, ice, and groundwater allows an understanding of the relative contribution to river flow to show where Himalayan river water comes from.
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Large Geomagnetic Field Changes Recorded by Archeomagnetism
A rare case of absolute paleointensity data in sub-centennial resolution from an archeological site provide much higher values than predicted by existing magnetic field models.
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What Electrons Can Tell Us About the Speed of Sand
A new sediment tracer uses the interactions between radiation, charge, and the Sun to uncover the hidden transport histories of sand grains.
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Upscaling Slip and Friction From Grains to the Fault Core
Numerical simulations demonstrate how averaging deformations at the grain scale may unravel the macroscopic friction and unstable slip behavior of a fault core.
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CO2 Reduces the Onset of Fracturing at the Nanoscale in Quartz
Large scale molecular dynamics simulations unravel the coupled processes at work during fracturing and flow of carbon dioxide and water in quartz grains at the nanoscale.
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Predicting Flood Conditions in the Next Few Years
Multiyear flood predictions are possible for watersheds in which the magnitude and frequency of flooding can be related to an atmospheric pressure see-saw in the North Atlantic region.
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How Do Atmospheric Rivers Respond to Extratropical Variability?
Atmospheric river variability over the last millennium is primarily driven by north-south displacements in zonal winds induced by the annular modes.